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Engine - Engine and crankcase
Connecting rods
Connecting rods "Wedge" shaped at the small end has been designed to reduce the reciprocating weight at the piston
end. The connecting rods are heavy beam construction and are assembled as a matched set to each engine, attached
to the crankshaft, by means of insert type bearings.
They are retained in position by the connecting rod big end cap and secured by two bolts per rod. The small end of
the connecting rod is fitted with a replaceable bronze bushing, through which the free floating piston pin is fitted. The
steel pin being held in place within the piston by two snap rings.
Pistons
Pistons are constructed of an aluminium silicon alloy with notch type combustion chamber being recessed in to the
piston crowns.
Each piston has two compression rings and one oil control ring, to reduce the friction and increase positive seating.
All rings are located above the piston pin.
Manifolds
The cross flow design aluminium intake, and cast iron exhaust manifolds are on opposite sides of the cylinder head.
This is designed to maintain balanced heat distribution within the cylinder head. The configuration of the manifolds
also ensures minimum heat transfer to the intake manifold.
The intake manifold is connected through hose to air cleaner.
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